Established in 2021 with the consolidation of Sullivan Central High School, Sullivan North High School, and Sullivan South High School.
Girls' Cross Country
Individual Appearances (2): 2021, 2023
Football
Championship Record: 1-2
Appearances (2): 2023, 2021
Boys' Golf
Individual Appearances (1): 2024
Boys' Track and Field
Team Appearances (3): 2022, 2024, 2025
Individual Appearances (3): 2022, 2024, 2025
Girls' Track and Field
Team Appearances (1): 2025
Individual Appearances (1): 2025
Girls' Volleyball
Championship Record: 0-4
Appearances (2): 2023, 2022
Wrestling
Championship Record: 3-4
Appearances (2): 2024, 2023
Girls' Wrestling
Championship Record: 0-0
Appearances (3): 2023, 2022, 2021